Re: [PATCH v4 06/24] C6X: early boot code
From: Arnd Bergmann
Date: Tue Oct 04 2011 - 15:11:23 EST
On Tuesday 04 October 2011 12:43:43 Mark Salter wrote:
> From: Aurelien Jacquiot <a-jacquiot@xxxxxx>
> Original port to early 2.6 kernel using TI COFF toolchain.
> Brought up to date by Mark Salter <msalter@xxxxxxxxxx>
> This patch provides the early boot code for C6X architecture. There is a
> 16 entry vector table which is used to direct reset and interrupt events. The
> vector table entries contain a small amount of code (maximum of 8 opcodes)
> which simply branches to the actual event handling code.
> The head.S code simply clears BSS, setups up a few control registers, and calls
> machine_init followed by start_kernel. The machine_init code in setup.c does
> the early flat tree parsing (memory, commandline, etc). At setup_arch time, the
> code does the usual memory setup and minimally scans the devicetree for any
> needed information.
> Signed-off-by: Aurelien Jacquiot <a-jacquiot@xxxxxx>
> Signed-off-by: Mark Salter <msalter@xxxxxxxxxx>
> CC: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
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